100m Yuan Wife: Buy One Get One - Chapter 10 - A Strange Encounter

The head of the London Association of Mages, the most powerful Saint Archmage in the world, Audrey Davis, accidentally transmigrated to another world due to a magic accident. She was an 18-year-old human girl.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Due to unfortunate circumstances, “Ari” Ariel Matisse lived in the slums of Los Angeles, also known as Skid Row.One night, on his way home, he was killed while witnessing an old man getting beaten.When he woke up, he had been thrown into a dumpster, and a strange screen flashed across his eyes, and no matter how he looked at it, it reminded him of a status window in a game.[System Integration Complete!][Become a Global Music Superstar!]For some reason, he gained a system that wanted him to join a survival show and become a globally famous idol.If he refused to complete his given tasks, he would die.But if he succeeded, he would have the money and power to change his life as well as get revenge against the person who killed him.P.s. this story is kind of a love letter to LA and the amazing blend of cultures (American, Asian, Hispanic, African, etc) that can be found there. I hope you all fall in love with the area as much as I love it.